Fig. 4From: Interobserver variability of image-derived arterial blood SUV in whole-body FDG PETHistogram of patient-specific interobserver variability, described by SD p (Eq. 3), the standard deviation of the distribution of fractional deviations ΔBSUVdp (Eq. 1) from observer mean for the respective patient grouped by patient as illustrated in Fig. 3Back to article page